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<FONT color="green">001</FONT>    package org.hackystat.telemetry.analyzer.language.ast;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    /**<a name="line.3"></a>
<FONT color="green">004</FONT>     * A reference to telemetry chart definition by its name. This is used by <a name="line.4"></a>
<FONT color="green">005</FONT>     * &lt;code&gt;TelemetryReportDefinition&lt;/code&gt;.<a name="line.5"></a>
<FONT color="green">006</FONT>     * <a name="line.6"></a>
<FONT color="green">007</FONT>     * @author (Cedric) Qin Zhang<a name="line.7"></a>
<FONT color="green">008</FONT>     */<a name="line.8"></a>
<FONT color="green">009</FONT>    public class ChartReference {<a name="line.9"></a>
<FONT color="green">010</FONT>      <a name="line.10"></a>
<FONT color="green">011</FONT>      /** The name of telemetry chart being referenced. */<a name="line.11"></a>
<FONT color="green">012</FONT>      private String name;<a name="line.12"></a>
<FONT color="green">013</FONT>      <a name="line.13"></a>
<FONT color="green">014</FONT>      /** <a name="line.14"></a>
<FONT color="green">015</FONT>       * The parameters that need to be passed. Note that not all &lt;code&gt;Expression&lt;/code&gt;<a name="line.15"></a>
<FONT color="green">016</FONT>       * objects are valid. Only &lt;code&gt;Variable&lt;/code&gt; and &lt;code&gt;Constant&lt;/code&gt; objects<a name="line.16"></a>
<FONT color="green">017</FONT>       * are legal.<a name="line.17"></a>
<FONT color="green">018</FONT>       */<a name="line.18"></a>
<FONT color="green">019</FONT>      private Expression[] parameters;<a name="line.19"></a>
<FONT color="green">020</FONT>    <a name="line.20"></a>
<FONT color="green">021</FONT>      /**<a name="line.21"></a>
<FONT color="green">022</FONT>       * Constructs this instance.<a name="line.22"></a>
<FONT color="green">023</FONT>       * <a name="line.23"></a>
<FONT color="green">024</FONT>       * @param name The name of telemetry chart being referenced.<a name="line.24"></a>
<FONT color="green">025</FONT>       * @param parameters The parameters that need to be passed. <a name="line.25"></a>
<FONT color="green">026</FONT>       *        Note that not all &lt;code&gt;Expression&lt;/code&gt; objects are valid. <a name="line.26"></a>
<FONT color="green">027</FONT>       *        Only &lt;code&gt;Variable&lt;/code&gt; and &lt;code&gt;Constant&lt;/code&gt; objects are legal.<a name="line.27"></a>
<FONT color="green">028</FONT>       *        Null is valid if no parameter needs to be passed.<a name="line.28"></a>
<FONT color="green">029</FONT>       */<a name="line.29"></a>
<FONT color="green">030</FONT>      public ChartReference(String name, Expression[] parameters) {<a name="line.30"></a>
<FONT color="green">031</FONT>        this.name = name;<a name="line.31"></a>
<FONT color="green">032</FONT>        this.parameters = parameters == null ? new Expression[0] : parameters;<a name="line.32"></a>
<FONT color="green">033</FONT>        <a name="line.33"></a>
<FONT color="green">034</FONT>        //validity check<a name="line.34"></a>
<FONT color="green">035</FONT>        for (int i = 0; i &lt; this.parameters.length; i++) {<a name="line.35"></a>
<FONT color="green">036</FONT>          Expression exp = this.parameters[i];<a name="line.36"></a>
<FONT color="green">037</FONT>          if (! (exp instanceof Variable || exp instanceof Constant)) {<a name="line.37"></a>
<FONT color="green">038</FONT>            throw new RuntimeException("Only objects of Variable and Constant types are legal"<a name="line.38"></a>
<FONT color="green">039</FONT>                + " parameter types.");<a name="line.39"></a>
<FONT color="green">040</FONT>          }<a name="line.40"></a>
<FONT color="green">041</FONT>        }<a name="line.41"></a>
<FONT color="green">042</FONT>      }<a name="line.42"></a>
<FONT color="green">043</FONT>    <a name="line.43"></a>
<FONT color="green">044</FONT>      /**<a name="line.44"></a>
<FONT color="green">045</FONT>       * Gets the name of the referenced telemetry chart object.<a name="line.45"></a>
<FONT color="green">046</FONT>       * <a name="line.46"></a>
<FONT color="green">047</FONT>       * @return The name.<a name="line.47"></a>
<FONT color="green">048</FONT>       */<a name="line.48"></a>
<FONT color="green">049</FONT>      public String getName() {<a name="line.49"></a>
<FONT color="green">050</FONT>        return this.name;<a name="line.50"></a>
<FONT color="green">051</FONT>      }<a name="line.51"></a>
<FONT color="green">052</FONT>    <a name="line.52"></a>
<FONT color="green">053</FONT>      /**<a name="line.53"></a>
<FONT color="green">054</FONT>       * Gets the parameters.<a name="line.54"></a>
<FONT color="green">055</FONT>       * <a name="line.55"></a>
<FONT color="green">056</FONT>       * @return An array of &lt;code&gt;Variable&lt;/code&gt; or &lt;code&gt;Constant&lt;/code&gt; or both objects.<a name="line.56"></a>
<FONT color="green">057</FONT>       *         Null will never be returned. If there is no parameter, an empty array will be returned.<a name="line.57"></a>
<FONT color="green">058</FONT>       */<a name="line.58"></a>
<FONT color="green">059</FONT>      public Expression[] getParameters() {<a name="line.59"></a>
<FONT color="green">060</FONT>        return this.parameters;<a name="line.60"></a>
<FONT color="green">061</FONT>      }<a name="line.61"></a>
<FONT color="green">062</FONT>    }<a name="line.62"></a>




























































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